FREESEA Пескоструйный фильтр для бассейна Очищающее Оборудование с

New spiral cover system which aids the operations of opening and closing.The air purge is built into the cover which can be efficient to release the air from the filter. swimming pool water heater
The distance between the upper part of the sand layer and the diffuser head(“freeboard”)has been increased to ensure greaterdistribution of water in the filtration phase and avoid sand being spilt into the drain during backwash.
The specially designed manhole in the sand filter can make the sand exchanging process more convenient and efficient.In the filtering process,the filtering effect of water can be observed through the perspective manhole which is designed in the sand filter.  swimming pool water heater
Equipped with manual exhaust valve and exhaust pipe, which can automatically discharge the gas in running and debugging.

Commercial sand filter is used in larger size installations,such as commercial and communal swimming pool, aquatic park,aquariums and other place where need water treatment.  swimming pool water heater

chine system